*{
    margin: 0;
    padding: 0;
}
*::selection{
    background-color: #00cf8c;
    color: white;
}
a{
    text-decoration: none !important;
    color: black !important;
    cursor:pointer;
}
li{
    list-style: none;
}
/* 顶部 */
.header_1{
    margin:20px 0 ;
}

.search_1 button{
    position:absolute;
    top: -10px;
    left: 397px;
    width: 83px;
    height: 37px;
    background-color: #00cf8c;
    text-align: center;
    color: white;
    border-radius: 0 19px 19px 0;
    border: none;
}
.searchBox{
    position:absolute;
    top:-10px;
    left: 80px;
    width: 317px;
    height: 36px;
    border-radius: 19px 0 0 19px;
    border: #d9d9d9 solid 1px;
    background-color: #ffffff;
    outline:none;
    padding: 15px;
    box-sizing: border-box;
}
.searchBox:hover{
    border: #00cf8c solid 1px;
}
.search_1 img{
    width: 20px;
}
.shop{
    margin-top: -6px;
    margin-left: 480px ;
    display: inline-block;

}
.shop>img{
    margin-right: 10px;
}
.shop>span{
    margin: 0 10px;
}
.topNav {
    float: right;
    position: relative;
    height: 50px;
}

.topNav li {
    position:relative;
    float: left;
    list-style: none;
    padding-left: 20px;
}
.topNav li:nth-child(2){
    margin-top: 20px;
}
.topNav li:nth-child(3){
    margin-top: 20px;
}
.topNav li:nth-child(4){
    margin-top: 20px;
}
.topNav li:nth-child(5){
    margin-top: 20px;
    margin-left: 0px;
}

.topNav a {
    color: black;
    padding-left: 20px;
}
.topNav_2{
    line-height: 17px;
}
.topNav_2:hover{
    color: #00cf8c;
}
.topNav_1 {
    width: 150px;
    position: absolute;
    /* top: 25px; */
    left: -40px;
    display: none;
    z-index: 100;
    background-color: #ffffff;
    box-shadow:1px 1px 1px #999999;
}
.topNav_1 p:hover {
    background-color: #94ebcf;
}
.topNav_1 a {
    display: block;
    margin-top: 10px;
}
.topNav_1 a:hover{
    color: #00cf8c !important;
}
.topNbox{
    height: 50px;
    line-height: 50px;
}
/* 专题 */
.project{
    margin: 2px 0;
    overflow: hidden;
    background-color: #f4f4f4;
    padding: 10px;
}
.project h3{
    line-height: 30px;
    float: left;
    margin: 0 !important;
    height: 10px;
    font-weight:500px ;
    font-size: 16px;
    color: rgba(0,0,0,.5);
}
.project1{
    height:61px !important;
}
.project>div{
    float: left;
}
.project>div>span{
    padding: 0 3px;
    line-height: 30px;
    text-align: center;
    min-width: 70px;
    height: 30px;
    display: inline-block;
    margin: 0 12px;
    font-size: 14px;
    color: #000000;
}
.project>div>span:nth-child(2){
    background-color: #00cf8c;
    color: #ffffff;
}

/* 图片区域 */
.course_1 h2{
    position: relative;
    padding-bottom: 15px;
    text-align: center;
    margin-top: 30px;
    border-bottom: 2px solid #e8e8e8;
}
.course_1 h2 span{
    position: absolute;
    top:10px;
    right: 5px;
}
.free>li{
    padding: 0 10px;
    float: left;
    width: 20%;
}
.free div{
    width: 100%;
    height: 95px;
    overflow: hidden;
}
.free img{
    width: 100%;
    height: 100%;
    transform: none;
    transition-duration: 600ms;    
}
.free img:hover{
    width: 100%;
    transform:scale(1.15,1.15);
    
}
.free>li>a>p:nth-of-type(1){
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    word-break: break-all;
    margin: 5px 0 !important;
    font-weight: 700;
}
.free>li>a>p:nth-of-type(2){
    color: #888888;
}
.free>li>a>p:nth-of-type(3){
    color: #00cf8c;
}
.free_2>li>a>p:nth-of-type(3){
    color:red !important;
}
.free_3>li>a>p:nth-of-type(3){
    color:red !important;
}
.free_3>li>a>p>span{
    margin-left: 100px;
    color: #fa8c16;
    background: #fff7e6;
    border: #ffd591 1px solid;
}
.free>li>a>p:nth-of-type(3){
    color:red !important;
}
.free>li>a>p>span{
    margin-left: 100px;
    color: #fa8c16;
    background: #fff7e6;
    border: #ffd591 1px solid;
}
/* 底部区域 */
.bottom_1 {
    color: #999999;
    background-color: #444546;
    overflow: hidden;
}
.bottom_1 h3{
    margin-top: 30px;
    margin-left: 195px;
}
.bottom_1 p{
    margin-top: 100px;
    margin-bottom: 30px;
    text-align: center;
}
.bottom_1 p::before{
    content: "";
    display: block;
    width: 1000px;
    height: 2px;
    background-color: white;
    margin-left: 260px;
    margin-bottom: 30px;
}
.bottom_2{
    margin-left: 195px; 
    margin-top: 30px;

}
.bottom_2>li {
    float: left;
    padding: 0 20px 0 0;
}